单项选择题

I ________ him the Christmas gift by mail because he came home during the Christmas holidays.

A．ought to have sent
B．couldn’t have sent
C．must have sent
D．needn’t have sent
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单项选择题
My friend and adviser ________ to lend me his money.
A．have agreed
B．has agreed
C．agreed
D．are agreed
单项选择题
Watch out, the boss is disgusted ________ your behavior!
A．to
B．at
C．for
D．with
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